Back to EveryPatent.com
United States Patent | 6,172,786 |
Fujita ,   et al. | January 9, 2001 |
An optical deflection device includes: a rotor having reflection surfaces on a cirumferential surface thereof; a bearing for rotatably supporting the rotor; a magnet fixed on the rotor; a supporting member for supporting the bearing, on which a radiating fin is integrally formed; and a coil fixed on the supporting member at a position where the coil faces the magnet for forming a magnetic field.
Inventors: | Fujita; Atsushi (Hachioji, JP); Morita; Shinji (Hachioji, JP); Shibuya; Satoshi (Hachioji, JP); Itoh; Masao (Hachioji, JP); Kamimura; Naoji (Hachioji, JP) |
Assignee: | Konica Corporation (JP) |
Appl. No.: | 143894 |
Filed: | August 31, 1998 |
Sep 03, 1997[JP] | 238317 | |
Sep 04, 1997[JP] | 239540 | |
Sep 04, 1997[JP] | 239541 |
Current U.S. Class: | 359/200; 359/198; 359/216 |
Intern'l Class: | G02B 026/08 |
Field of Search: | 359/198,200,216,219 310/90,90.5 347/257,261 |
5434695 | Jul., 1995 | Saito et al. | 359/200. |
5606448 | Feb., 1997 | Suzuki et al. | 359/200. |